<!doctype html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>Test App</title>
  </head>
  <body>
    <host-element>
      <template shadowrootmode="open">
        <header>This is home!</header>
        <slot></slot>
      </template>
      <h2>Light DOM content (slotted)</h2>
    </host-element>
    <button id="dialog-btn" onclick="window.confirm('Bouh!')">
      <host-element-2>
        <template shadowrootmode="open">Open dialog</template>
      </host-element-2>
    </button>
  </body>
</html>
